Home / 77,002,359.06-106,263,225.09-42,663,543.06

Finding the Fourth Proportional to 77,002,359.06, 106,263,225.09 and 42,663,543.06

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Solution

The fourth proportional to 77,002,359.06, 106,263,225.09 and 42,663,543.06 is: 58,875,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002,359.06 : 106,263,225.09 = 42,663,543.06 : x
  2. Step 2: Convert to fraction form
    77,002,359.06/106,263,225.09 = 42,663,543.06/x
  3. Step 3: Cross multiply
    77,002,359.06x = 106,263,225.09 × 42,663,543.06
  4. Step 4: Simplify right side
    77,002,359.06x = 4,533,565,679,321,688
  5. Step 5: Solve for x
    x = 4,533,565,679,321,688/77,002,359.06
  6. Step 6: Final answer
    x = 58,875,672.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.